The list above describes the motivations for imperialism

a. social
b. political
c. theoretical
d. economic

The correct answer is B. Political

Explanation

Imperialism refers to a regime of political domination, in this, the purpose is to control or influence other nations or states. Imperialism can be motivated by social factors, political factors, economic factors, and even religious factors. In the case of political motivation, this is related to patriotism (love for one's country) and security, due to this some political motivations include being more powerful than others, increasing security in the nation, expanding influence, among others. According to this, the list provided is related to political motivations considering the elements listed are related to patriotism or security which are part of politics. So, the correct answer is B. Political

b) the confederacy had to pay all union war expenses.